Introduce BluetoothAudioSampleRatePreferenceCtrl
- Create new BluetoothAudioSampleRatePreferenceController - Create controller inside the DashboardFragment - Port logic from DevelopmentSettings into the controller Bug: 34203528 Test: make RunSettingsRoboTests -j40 Change-Id: I1cb1f431a94a8665c8b0f11f3d981e58bf733851
This commit is contained in:
jeffreyhuang
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/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.development;
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import android.bluetooth.BluetoothA2dp;
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import android.bluetooth.BluetoothCodecConfig;
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import android.content.Context;
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import android.support.annotation.VisibleForTesting;
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import android.support.v7.preference.ListPreference;
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import android.support.v7.preference.Preference;
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import android.support.v7.preference.PreferenceScreen;
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import com.android.settings.R;
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import com.android.settings.core.PreferenceControllerMixin;
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import com.android.settingslib.core.lifecycle.Lifecycle;
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import com.android.settingslib.core.lifecycle.LifecycleObserver;
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import com.android.settingslib.core.lifecycle.events.OnDestroy;
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import com.android.settingslib.development.DeveloperOptionsPreferenceController;
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public class BluetoothAudioSampleRatePreferenceController extends
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DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener,
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PreferenceControllerMixin, BluetoothServiceConnectionListener, LifecycleObserver,
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OnDestroy {
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private static final String BLUETOOTH_SELECT_A2DP_SAMPLE_RATE_KEY =
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"bluetooth_select_a2dp_sample_rate";
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@VisibleForTesting
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static final int STREAMING_LABEL_ID = R.string.bluetooth_select_a2dp_codec_streaming_label;
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private final String[] mListValues;
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private final String[] mListSummaries;
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private final Object mBluetoothA2dpLock;
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private ListPreference mPreference;
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private BluetoothA2dp mBluetoothA2dp;
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public BluetoothAudioSampleRatePreferenceController(Context context, Lifecycle lifecycle,
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Object bluetoothA2dpLock) {
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super(context);
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mBluetoothA2dpLock = bluetoothA2dpLock;
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mListValues = context.getResources().getStringArray(
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R.array.bluetooth_a2dp_codec_sample_rate_values);
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mListSummaries = context.getResources().getStringArray(
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R.array.bluetooth_a2dp_codec_sample_rate_summaries);
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if (lifecycle != null) {
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lifecycle.addObserver(this);
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}
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}
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@Override
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public String getPreferenceKey() {
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return BLUETOOTH_SELECT_A2DP_SAMPLE_RATE_KEY;
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}
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@Override
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public void displayPreference(PreferenceScreen screen) {
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super.displayPreference(screen);
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mPreference = (ListPreference) screen.findPreference(getPreferenceKey());
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}
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@Override
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public boolean onPreferenceChange(Preference preference, Object newValue) {
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if (mBluetoothA2dp == null) {
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return false;
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}
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final int sampleRate = mapPreferenceValueToSampleRate(newValue.toString());
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BluetoothA2dpSharedStore.setSampleRate(sampleRate);
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final int codecTypeValue = BluetoothA2dpSharedStore.getCodecType();
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final int codecPriorityValue = BluetoothA2dpSharedStore.getCodecPriority();
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final int sampleRateValue = BluetoothA2dpSharedStore.getSampleRate();
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final int bitsPerSampleValue = BluetoothA2dpSharedStore.getBitsPerSample();
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final int channelModeValue = BluetoothA2dpSharedStore.getChannelMode();
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final long codecSpecific1Value = BluetoothA2dpSharedStore.getCodecSpecific1Value();
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final long codecSpecific2Value = BluetoothA2dpSharedStore.getCodecSpecific2Value();
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final long codecSpecific3Value = BluetoothA2dpSharedStore.getCodecSpecific3Value();
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final long codecSpecific4Value = BluetoothA2dpSharedStore.getCodecSpecific4Value();
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// get values from shared store
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BluetoothCodecConfig codecConfig = createCodecConfig(codecTypeValue, codecPriorityValue,
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sampleRateValue, bitsPerSampleValue,
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channelModeValue, codecSpecific1Value,
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codecSpecific2Value, codecSpecific3Value,
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codecSpecific4Value);
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synchronized (mBluetoothA2dpLock) {
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if (mBluetoothA2dp != null) {
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setCodecConfigPreference(codecConfig);
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}
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}
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updateState(mPreference);
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return true;
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}
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@Override
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public void updateState(Preference preference) {
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if (getCodecConfig() == null || mPreference == null) {
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return;
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}
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BluetoothCodecConfig codecConfig;
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synchronized (mBluetoothA2dpLock) {
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codecConfig = getCodecConfig();
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}
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final int sampleRate = codecConfig.getSampleRate();
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final int index = mapSampleRateToIndex(sampleRate);
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mPreference.setValue(mListValues[index]);
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mPreference.setSummary(
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mContext.getResources().getString(STREAMING_LABEL_ID, mListSummaries[index]));
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// write value to shared store
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BluetoothA2dpSharedStore.setSampleRate(sampleRate);
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}
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@Override
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public void onBluetoothServiceConnected(BluetoothA2dp bluetoothA2dp) {
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mBluetoothA2dp = bluetoothA2dp;
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updateState(mPreference);
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}
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@Override
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public void onBluetoothCodecUpdated() {
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updateState(mPreference);
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}
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@Override
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public void onBluetoothServiceDisconnected() {
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mBluetoothA2dp = null;
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}
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@Override
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public void onDestroy() {
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mBluetoothA2dp = null;
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}
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@Override
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protected void onDeveloperOptionsSwitchEnabled() {
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mPreference.setEnabled(true);
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}
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@Override
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protected void onDeveloperOptionsSwitchDisabled() {
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mPreference.setEnabled(false);
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}
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private int mapSampleRateToIndex(int sampleRate) {
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int index = 0;
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switch (sampleRate) {
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case BluetoothCodecConfig.SAMPLE_RATE_44100:
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index = 1;
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break;
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case BluetoothCodecConfig.SAMPLE_RATE_48000:
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index = 2;
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break;
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case BluetoothCodecConfig.SAMPLE_RATE_88200:
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index = 3;
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break;
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case BluetoothCodecConfig.SAMPLE_RATE_96000:
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index = 4;
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break;
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case BluetoothCodecConfig.SAMPLE_RATE_176400:
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case BluetoothCodecConfig.SAMPLE_RATE_192000:
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case BluetoothCodecConfig.SAMPLE_RATE_NONE:
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default:
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break;
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}
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return index;
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}
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private int mapPreferenceValueToSampleRate(String value) {
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final int index = mPreference.findIndexOfValue(value);
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int sampleRateValue = 0;
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switch (index) {
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case 0:
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// Reset to default
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sampleRateValue = BluetoothCodecConfig.SAMPLE_RATE_NONE;
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break;
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case 1:
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sampleRateValue = BluetoothCodecConfig.SAMPLE_RATE_44100;
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break;
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case 2:
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sampleRateValue = BluetoothCodecConfig.SAMPLE_RATE_48000;
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break;
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case 3:
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sampleRateValue = BluetoothCodecConfig.SAMPLE_RATE_88200;
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break;
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case 4:
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sampleRateValue = BluetoothCodecConfig.SAMPLE_RATE_96000;
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break;
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default:
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break;
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}
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return sampleRateValue;
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}
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@VisibleForTesting
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void setCodecConfigPreference(BluetoothCodecConfig config) {
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mBluetoothA2dp.setCodecConfigPreference(config);
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}
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@VisibleForTesting
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BluetoothCodecConfig getCodecConfig() {
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if (mBluetoothA2dp == null || mBluetoothA2dp.getCodecStatus() == null) {
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return null;
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}
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return mBluetoothA2dp.getCodecStatus().getCodecConfig();
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}
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@VisibleForTesting
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BluetoothCodecConfig createCodecConfig(int codecTypeValue, int codecPriorityValue,
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int sampleRateValue, int bitsPerSampleValue,
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int channelModeValue, long codecSpecific1Value,
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long codecSpecific2Value, long codecSpecific3Value,
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long codecSpecific4Value) {
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return new BluetoothCodecConfig(codecTypeValue, codecPriorityValue,
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sampleRateValue, bitsPerSampleValue,
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channelModeValue, codecSpecific1Value,
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codecSpecific2Value, codecSpecific3Value,
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codecSpecific4Value);
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}
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}
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